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Body Weight Variability and Risk of Cardiovascular Outcomes and Death in the Context of Weight Loss Intervention Among Patients With Type 2 Diabetes.
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- Author(s): Kaze AD;Kaze AD; Santhanam P; Santhanam P; Erqou S; Erqou S; Erqou S; Ahima RS; Ahima RS; Bertoni AG; Bertoni AG; Echouffo-Tcheugui JB; Echouffo-Tcheugui JB
- Source:
JAMA network open [JAMA Netw Open] 2022 Feb 01; Vol. 5 (2), pp. e220055. Date of Electronic Publication: 2022 Feb 01.- Publication Type:
Journal Article; Research Support, N.I.H., Extramural- Language:
English - Source:
- Additional Information
- Source: Publisher: American Medical Association Country of Publication: United States NLM ID: 101729235 Publication Model: Electronic Cited Medium: Internet ISSN: 2574-3805 (Electronic) Linking ISSN: 25743805 NLM ISO Abbreviation: JAMA Netw Open Subsets: MEDLINE
- Publication Information: Original Publication: Chicago, IL : American Medical Association, [2018]-
- Subject Terms: Diabetes Mellitus, Type 2*/complications ; Diabetes Mellitus, Type 2*/epidemiology; Body Weight/*physiology; Adiposity/physiology ; Aged ; Cardiovascular Diseases/complications ; Cardiovascular Diseases/epidemiology ; Cardiovascular Diseases/mortality ; Female ; Humans ; Life Style ; Male ; Middle Aged ; Prospective Studies ; United States ; Waist Circumference/physiology
- Abstract: Importance: Body weight fluctuation is associated with greater risks of adverse health outcomes. Whether intensive weight loss interventions affect the association of variability in adiposity measures with adverse health outcomes in individuals with type 2 diabetes has not been studied previously.
Objective: To evaluate the associations of long-term variability in adiposity indices with cardiovascular disease (CVD) outcomes and whether these associations are affected by an intensive lifestyle intervention among adults with type 2 diabetes.
Design, Setting, and Participants: This prospective cohort study included participants in the Action for Health in Diabetes (Look AHEAD) trial without CVD at baseline (August 2001 to April 2004). The Look AHEAD study included 16 centers in the United States. Data analysis was performed from December 2020 to June 2021.
Exposures: Variability of body mass index (BMI) and waist circumference (WC) across 4 annual visits, assessed using the coefficient of variation (CV), variability independent of the mean (VIM), and standard deviation (SD).
Main Outcomes and Measures: Main outcomes were (1) all-cause mortality, (2) cardiovascular deaths (deaths from myocardial infarction [MI] or stroke), and (3) CVD events (MI, stroke, and/or death from cardiovascular causes).
Results: Among 3604 study participants (mean [SD] age, 58.4 [6.6] years; 2240 [62.3%] women; 1364 [37.7%] Black participants; 2404 [66%] White participants), there were 216 CVD events, 33 CVD deaths, and 166 deaths over a median of 6.7 years. In the control group, the hazard ratios (HRs) for the highest quartile (quartile 4) compared with the lowest quartile (quartile 1) of CV of BMI were 4.06 (95% CI, 2.17-7.57), 15.28 (95% CI, 2.89-80.90), and 2.16 (95% CI, 1.21-3.87) for all-cause mortality, CVD mortality, and cardiovascular events, respectively. In the intervention group, the corresponding HRs were 0.99 (95% CI, 0.45-2.16), 1.14 (95% CI, 0.12-10.53), and 0.77 (95% CI, 0.40-1.49) for quartile 4 vs quartile 1. Regarding WC, in the control group, HRs for quartile 4 vs quartile 1 were 1.84 (95% CI, 1.01-3.35), 6.46 (95% CI, 1.16-36.01), and 1.28 (95% CI, 0.72-2.29). In the intervention group, HRs were 1.23 (95% CI, 0.61-2.46), 0.55 (95% CI, 0.15-2.11), and 0.70 (95% CI, 0.39-1.25) for quartile 4 vs quartile 1.
Conclusions and Relevance: In this cohort study of individuals with type 2 diabetes, higher variability of adiposity indices was associated with significantly increased risk of CVD outcomes and death in the control group but not in the intensive lifestyle intervention group. - References: Control Clin Trials. 2003 Oct;24(5):610-28. (PMID: 14500058)
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Diabetes Care. 2020 Sep;43(9):2234-2241. (PMID: 32641375) - Grant Information: K23 HL153774 United States HL NHLBI NIH HHS
- Publication Date: Date Created: 20220218 Date Completed: 20220308 Latest Revision: 20230408
- Publication Date: 20231215
- Accession Number: PMC8857684
- Accession Number: 10.1001/jamanetworkopen.2022.0055
- Accession Number: 35179583
- Source:
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